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Seismic slit cutting method for inner wall surface of box culvert and seismic slit cutting system used for this
Seismic slit cutting method for inner wall surface of box culvert and seismic slit cutting system used for this
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机译:用于盒涵洞和地震狭缝切割系统的内壁表面的地震狭缝切割方法
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摘要
PROBLEM TO BE SOLVED: To provide the method comprising cutting-off the earthquake-proof slit to a required depth up to a maximum depth of 270 mm in an internal wall surface inside a box culvert, wherein instruments and materials are carried from a manhole with a diameter of 600 mm.;SOLUTION: The method for cutting-off the earthquake-proof slit of the box culvert internal surface comprises: adopting a deep-cutting type cutting-off machine 1, a feed guide 2 for a cutting machine 1, a slide guide 3, a rail self-propelled basis 5 and a guide rail 6 to guide a basis 5, as the instruments and the materials, and cutting-off the earthquake proof slit S by the cutting machine 1 which can be carried from a carrying port, wherein the deep-cutting type cutting-off machine has a type in which the drive wheel is brought into contact with an inner circumference of a ring-shaped cutting blade and the cutting blade 11 is fed in a rotational direction to drive, and the rail self-propelled basis has an angle adjustment guide 4 and comprises a traveling roller 51 and a driving device 52 thereof.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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